Product Description 1. Easy control and convenience By pressing the small button before use,the rollers will activate automatically via the electronic circuit to replace used toilet seats with clean sanitary seat cover.Or it can be run be sensor, where you only need to wave your hand, then it will change automaticly. 2. Health care Clean sanitary seat cover will ensure your skin is always in contact with clean hygienic film. Saving resource and cost The cost of using toilet paper to cover or water to clean conventional toilet seat before use will be high.Replacing conventional toilet seat with patented WING sanitary toilet seat can eliminate such costs. Environment protection and resource recycle Used sanitary cover can be recycled to protect the environment and eliminate the resource consumption. intelligent sanitary toilet seat is automatically controlled by the microcomputer inside, the sanitary wrap will stop afer turning exactly one round.The used film roll is destroyed by a cutter to ensure one time use. 3. Many models can be choosed , details are below.